68420000

素因数分解:

$2^5\times 5^4\times {\mathrm{11}}^1\times {\mathrm{311}}^1$

素因数の和:352

約数の個数: 120

約数和(自身を含む): 184216032

約数和(自身を除く): 115796032

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 50, 55, 80, 88, 100, 110, 125, 160, 176, 200, 220, 250, 275, 311, 352, 400, 440, 500, 550, 622, 625, 800, 880, 1000, 1100, 1244, 1250, 1375, 1555, 1760, 2000, 2200, 2488, 2500, 2750, 3110, 3421, 4000, 4400, 4976, 5000, 5500, 6220, 6842, 6875, 7775, 8800, 9952, 10000, 11000, 12440, 13684, 13750, 15550, 17105, 20000, 22000, 24880, 27368, 27500, 31100, 34210, 38875, 44000, 49760, 54736, 55000, 62200, 68420, 77750, 85525, 109472, 110000, 124400, 136840, 155500, 171050, 194375, 220000, 248800, 273680, 311000, 342100, 388750, 427625, 547360, 622000, 684200, 777500, 855250, 1244000, 1368400, 1555000, 1710500, 2138125, 2736800, 3110000, 3421000, 4276250, 6220000, 6842000, 8552500, 13684000, 17105000, 34210000, 68420000]

約数ペア:

[(1, 68420000), (2, 34210000), (4, 17105000), (5, 13684000), (8, 8552500), (10, 6842000), (11, 6220000), (16, 4276250), (20, 3421000), (22, 3110000), (25, 2736800), (32, 2138125), (40, 1710500), (44, 1555000), (50, 1368400), (55, 1244000), (80, 855250), (88, 777500), (100, 684200), (110, 622000), (125, 547360), (160, 427625), (176, 388750), (200, 342100), (220, 311000), (250, 273680), (275, 248800), (311, 220000), (352, 194375), (400, 171050), (440, 155500), (500, 136840), (550, 124400), (622, 110000), (625, 109472), (800, 85525), (880, 77750), (1000, 68420), (1100, 62200), (1244, 55000), (1250, 54736), (1375, 49760), (1555, 44000), (1760, 38875), (2000, 34210), (2200, 31100), (2488, 27500), (2500, 27368), (2750, 24880), (3110, 22000), (3421, 20000), (4000, 17105), (4400, 15550), (4976, 13750), (5000, 13684), (5500, 12440), (6220, 11000), (6842, 10000), (6875, 9952), (7775, 8800)]